ansi-c++-opt: Provide option --enable-c++/--disable-c++ when possible.

[gnulib.git] / m4 / chown.m4

diff --git a/m4/chown.m4 b/m4/chown.m4
index 0dced4b..ea3fe4c 100644 (file)
--- a/m4/chown.m4
+++ b/m4/chown.m4
@@ -1,8 +1,8 @@
-# serial 22
+# serial 23
 # Determine whether we need the chown wrapper.
 
-dnl Copyright (C) 1997-2001, 2003-2005, 2007, 2009
-dnl Free Software Foundation, Inc.
+dnl Copyright (C) 1997-2001, 2003-2005, 2007, 2009-2010 Free Software
+dnl Foundation, Inc.
 
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -43,6 +43,7 @@ AC_DEFUN_ONCE([gl_FUNC_CHOWN],
 
     dnl Solaris 9 ignores trailing slash.
     dnl FreeBSD 7.2 mishandles trailing slash on symlinks.
+    dnl Likewise for AIX 7.1.
     AC_CACHE_CHECK([whether chown honors trailing slash],
       [gl_cv_func_chown_slash_works],
       [touch conftest.file && rm -f conftest.link
@@ -110,24 +111,24 @@ AC_DEFUN_ONCE([gl_FUNC_CHOWN_FOLLOWS_SYMLINK],
 #include <stdlib.h>
 #include <errno.h>
 
-       int
-       main ()
-       {
-         char const *dangling_symlink = "conftest.dangle";
+        int
+        main ()
+        {
+          char const *dangling_symlink = "conftest.dangle";
 
-         unlink (dangling_symlink);
-         if (symlink ("conftest.no-such", dangling_symlink))
-           abort ();
+          unlink (dangling_symlink);
+          if (symlink ("conftest.no-such", dangling_symlink))
+            abort ();
 
-         /* Exit successfully on a conforming system,
-            i.e., where chown must fail with ENOENT.  */
-         exit ( ! (chown (dangling_symlink, getuid (), getgid ()) != 0
-                   && errno == ENOENT));
-       }
-       ]])],
-       [gl_cv_func_chown_follows_symlink=yes],
-       [gl_cv_func_chown_follows_symlink=no],
-       [gl_cv_func_chown_follows_symlink=yes]
+          /* Exit successfully on a conforming system,
+             i.e., where chown must fail with ENOENT.  */
+          exit ( ! (chown (dangling_symlink, getuid (), getgid ()) != 0
+                    && errno == ENOENT));
+        }
+        ]])],
+        [gl_cv_func_chown_follows_symlink=yes],
+        [gl_cv_func_chown_follows_symlink=no],
+        [gl_cv_func_chown_follows_symlink=yes]
       )
     ]
   )